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Finding the Fourth Proportional to 3,665.96, 5,494.30 and 1,583.56

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Solution

The fourth proportional to 3,665.96, 5,494.30 and 1,583.56 is: 2,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.96 : 5,494.30 = 1,583.56 : x
  2. Step 2: Convert to fraction form
    3,665.96/5,494.30 = 1,583.56/x
  3. Step 3: Cross multiply
    3,665.96x = 5,494.30 × 1,583.56
  4. Step 4: Simplify right side
    3,665.96x = 8,700,553.71
  5. Step 5: Solve for x
    x = 8,700,553.71/3,665.96
  6. Step 6: Final answer
    x = 2,373.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.